this is just science but i have two. 1.if i soaked a dollar in alcohol and a minute later it dried, would it be chemical or physical? 2. is ice watering down soda chemical or physical?

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

Draw metallic bonding if two copper